package EvaTCPL;
import java.lang.Math;

public class EvaTCPLatan extends EvaTCPLaexpression
{

  public EvaTCPLatan(EvaTCPLaexpression e)
    {
      super(e);
    }

  /** Evaluate this arithmetic expression. */
  public double evaluate()
    {
      return Math.atan(sons[0].evaluate());
    }

  public String toString()
    {
      return "atan("+sons[0].toString()+")";
    }

}
